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Jacksonville, FL Local Forecast Office

3NM NW Mayport FL

Marine Point Forecast

[NOTICE]

Today
High: 86 °F
ENE 12kt
< 1ft
Tonight
Low: 76 °F
E 10kt
< 1ft
Tuesday
High: 86 °F
ENE 12kt
< 1ft
Tuesday Night
Low: 76 °F
E 7kt⇓
< 1ft
Wednesday
High: 85 °F
⇑E 12kt
< 1ft
Wednesday Night
Low: 76 °F
ESE 7kt⇓
< 1ft
Thursday
High: 86 °F
⇑ESE 11kt
< 1ft
Thursday Night
Low: 76 °F
SE 7kt⇓
< 1ft
Friday
High: 88 °F
⇑ESE 8kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 2:21 am EDT Aug 31, 2026
Forecast Valid: 10am EDT Aug 31, 2026-6pm EDT Sep 6, 2026

View Nearby Observations

Detailed Forecast

Today

ENE wind 9 to 12 kt, with gusts as high as 18 kt. A slight chance of showers, then a chance of showers and thunderstorms after 11am. Seas 1 ft or less.

Tonight

E wind 5 to 10 kt. A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Seas 1 ft or less.

Tuesday

ENE wind 6 to 12 kt. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday Night

E wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of showers after 2am. Seas 1 ft or less.

Wednesday

Variable winds less than 5 kt becoming E 7 to 12 kt in the morning. A chance of showers, with thunderstorms also possible after 11am. Seas 1 ft or less.

Wednesday Night

ESE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of thunderstorms before 8pm, then a slight chance of showers and thunderstorms after 2am. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming ESE 6 to 11 kt in the morning. A chance of showers and thunderstorms, mainly after 8am. Seas 1 ft or less.

Thursday Night

SE wind 5 to 7 kt becoming variable and less than 5 kt after midnight. A chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Seas 1 ft or less.

Friday

Variable winds less than 5 kt becoming ESE 5 to 8 kt in the afternoon. A chance of showers and thunderstorms, mainly after 8am. Seas 1 ft or less.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.